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CodingAgentBench

plandex × meta/llama-4-maverick-17b-128e-instruct

polyglot
polyglot/java-exception-handling

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
116.6s
Blast
0.500
Refusal
—
Integrity
1.000
Composite
0.471

Run identity

cell_id
expansion-20260616/plandex/meta/llama-4-maverick-17b-128e-instruct/polyglot/java-exception-handling
sweep_id
expansion-20260616
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T11:48:14.723698Z
ended_at
2026-06-17T11:50:11.304114Z
duration
116.58 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":0,"exit_code":1,"timed_out":false,"stdout_tail":"","stderr_tail":"src/SafeReader.java:11: error: constructor TrackingSource in class TrackingSource cannot be applied to given types;\n try (TrackingSource source = new TrackingSource(filePath)) {\n ^\n required: String,boolean\n found: String\n reason: actual and formal argument lists differ in length\n1 error\n","partial_score":null}
tokens prompt_tokens, completion_tokens, total_tokens, model_calls, tokens_per_correct_task, pass_used_for_division {"prompt_tokens":0,"completion_tokens":0,"total_tokens":0,"model_calls":0,"tokens_per_correct_task":0,"pass_used_for_division":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":116580.416,"container_active_ms":116015.061,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0.5,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":["src/SafeReader.java"],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":["src/SafeReader.java"],"total_changes":2,"extra_git_dir":false}
refusal refusal, not_applicable, expected_refusal, refusal_produced, refusal_correct, marker_hits, keyword_hits {"refusal":0,"not_applicable":true,"expected_refusal":false,"refusal_produced":false,"refusal_correct":null,"marker_hits":[],"keyword_hits":[]}
integrity integrity, not_applicable, task_id {"integrity":1,"not_applicable":true,"task_id":"polyglot/java-exception-handling"}
composite composite, weights, components, note {"composite":0.4713481682052007,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":0,"integrity":1,"blast_radius":0.5,"tokens_per_correct_task":0,"wall_clock_ms":116580.416,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.4756544547013384,"clean_blast":0.5,"refusal_factor":1},"note":"Single-cell composite — sweep-level normalisation lives in the runner. MANIFESTO #6: per-axis numbers are canonical; composite is derivative."}

Trace replay

space play/pause · ←/→ step span · ,/. step 100 ms
t = 0 ms / 116.58 s
span 337834dc3e004bd993140ea8c9ff9025task_setupprepare:polyglot/java-exception-handling0 ms → 1 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_java-exception-handling-j0i8_q4v/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary
No terminal recording for this run yet — see the span-level trace above, or browse the recordings gallery →

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/plandex:v2.2.1·sha256:sha256:4b86de012…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:4b86de012d4a8e3f013a6fbb1ba37b9431e110dfc33d06dc3e0f94c70c0d8327 \
  run-cell \
    --tui plandex \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --task polyglot/java-exception-handling

Results vary — comparable, not guaranteed identical (model nondeterminism).

Explore with your own model

Substitute your endpoint, key, and model ID. Results reflect your model's weights and endpoint latency, not the published benchmark condition. Endpoint must speak OpenAI-compatible /v1/chat/completions.

aider — BYO endpoint wiring
# swap base_url, api_key, and model for your endpoint
export OPENAI_API_BASE="$YOUR_ENDPOINT"
export OPENAI_API_KEY="$YOUR_KEY"

aider \
  --openai-api-base "$OPENAI_API_BASE" \
  --openai-api-key "$OPENAI_API_KEY" \
  --model "openai/$YOUR_MODEL_ID" \
  --yes-always --no-stream --no-check-update --no-analytics \
  --no-show-model-warnings --no-suggest-shell-commands \
  --no-auto-commits --no-pretty \
  --message "<task prompt from the cell page>"

# Published cell used model: meta/llama-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui plandex \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/java-exception-handling
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (7)

Span Kind Name Duration Attrs / Error
337834dc3e004bd993140ea8c9ff9025 task_setup prepare:polyglot/java-exception-handling 1 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_java-exception-handling-j0i8_q4v/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
61661bf6daff43688b00839e8692a2ad ↳ e6f77fc24c8440a3ae792777d821d91c tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
bbf2b81f126f4457bb27668b5c5fa0a5 ↳ 7bec5e05e6214797ad62e1f1f9d227da container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Resource leak: stream not closed in error path; wrap in try-with-resources"],"kind":"plan-first"}
a2e1725b110d43808d2744ee3841e88a ↳ 7bec5e05e6214797ad62e1f1f9d227da container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
7bec5e05e6214797ad62e1f1f9d227da ↳ e6f77fc24c8440a3ae792777d821d91c container plandex:pipeline 116015 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Resource leak: stream not closed in error path; wrap in try-with-resources"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":0,"duration_s":112.97231411701068,"timed_out":false,"plan_phase_done":true,"execute_phase_done":true}
e6f77fc24c8440a3ae792777d821d91c adapter_run plandex:polyglot/java-exception-handling 116580 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
f82ed8bfeadc4cb697449b1cf846131f cleanup cleanup:plandex 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

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CodingAgentBench: plandex × meta/llama-4-maverick-17b-128e-instruct 47%